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The cell phone directory warning is the hottest e-mail around, and some forms of it are urban legend. This e-mail is fair advice, but there is more to the story.

A company called QSent has been hired to create a cell phone 411 service. It is strictly voluntary to be listed, unlike plain old telephone service where you must pay to be unlisted. Also, even if you do elect to be listed, the FCC rules are that marketers may not call cell phone numbers with automatic (or as we say in the business, “predictive”) dialers. So any calls to you must be placed by hand from a list.